问题描述：
The young man insisted that he______ these watches and______free.A.stol
The young man insisted that he______ these watches and______free.
A.stole,set B.had stolen,be set C.steal,be set D.had stolen; must be set
为何选B
The young man insisted that he______ these watches and______free.
A.stole,set B.had stolen,be set C.steal,be set D.had stolen; must be set
为何选B
问题解答：
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